Transmission



J. L. PERKINS Feb. 21, 1939.

' TRANSMISSION Filed Jan. 25, 1938 IN VENTOR.

Ma /QM.

ATTORNEY.

Patented Feb. 21, 1939 UNITED STATES PATENT OFFICE TRANSMISSION Julian L. Perkins, West Springfield, Mass.

Application January 25, 1938, Serial No. 186,827

1 Claim. (Cl. 74-606) This invention relates to improvements in movement of the said shaft. A shaft it! in the transmission apparatus and the principal obintermediate bearing ID has a gear 42 in mesh iects of the invention are directed to the proviwith the gear 38 and a worm wheel 4 in engagesion of a transmission apparatus which is simple ment with the worm N5 of the shaft 4.

5 and compact in form so as to occupy but a small A cover 50 is provided to enclose the parts de- 5 amount of space, while at the same time there is scribed and it may be secured to the support 2 provided an apparatus which is characterized by by screws 52 associated with flanges 5B of the its efficiency. cover and 58 of the support, there being a gasket Various novel features and advantages of the 60 between said flanges so that the support and invention will be hereinafter more fully referred cover provides a tight casing which may hold 10 to in connection with the accompanying descriplubricant.

tion of the invention in the form at present pre- It will be noted that the bearing being assoferred with reference to the accompanying drawciated with the support are rigidly tied together ing wherein: and held against relative movement. This is to Fig. 1 is a plan view of a transmission appabe distinguished from a construction where bearl5 ratus embodying the novel features of the inings for cooperating shafts are associated with vention; separate members. Thereby by associating the Fig. 2 is a longitudinal, sectional elevational bearings in the way described the support may view of the line 2-2 of Fig. 1; be economically and accurately machined so that Fig. 3 is a transverse sectional elevational view there is no necessity for a lining or carefully as- 20 of the line 3-3 of Fig. 1; and sembling separate parts in order to bring their Fig. 4 is a transverse sectional elevational view bearings into the desired and correct alignment. of the line i l of Fig. l. The support 2 and cover are formed to closely Referring now to the drawing in detail the infollow the contour of the parts within the casing vention will be fully described. formed thereby all to the end that the desired 25 A support member is represented by 2 which compactness is attained. has a vertically disposed bearing 2 for a shaft 4 While I have described the invention in great and a vertically disposed bearing 6 for a shaft 6 detail and with respect to a preferred form there both depending from said support. A horizonof, it is not desired to be limited thereto since tal bearing it also extends downwardly from the many changes and modifications may be made 30 DD therein without departing from the spirit and The transmission is adapted for use in connecscope of the invention. What it is desired to tion with a domestic washing machine where the claim and secure by Letters Patent of the United unit must be small, of low cost, efilcient in oper- States is:

aticn and substantially noiseless. A unitary transmission for a washing machine 35 To that end the bearings are carried by support or the like comprising in combination, a support 2 so that they are securely tied against any obhaving a horizontally disposed flange therejectionable relative movements. The shaft 4 may around and vertically disposed bearings adjacent be driven from a belt in engagement with a pulley opposite ends thereof integral therewith and deit which is affixed thereto and the lower end of pending downwardly therefrom below the plane 40 the shaft 4 is formed with threads 26 to provide a of said flange, separate vertical shafts rotatable worm. A reduced portion it of the shaft receives in said bearings, an intermediate bearing integral the end portion it of a screw 22 in engagement with and depending downwardly from said suptherewith to prevent axial movement of the said port having a horizontal bore, a horizontal shaft shaft i. The shaft is sealed at its upper end in said bore, interengaging members on the op- 45 by a washer 24 which may be of fibrous material posite ends of said horizontal shaft and on the or the like and other washers 26 are provided lower ends of said vertical shafts, a cup-shaped therebelow. cover member extending below said interengag- The shaft 8 is arranged for connecting to a ing members and upwardly therearound to said shaft in the wringer column of a washing masupport provided with a horizontal flange abut- 5 chine and it is sealed by a washer 38 at the upper ting the flange of said support, and means seside of an oil reservoir 32 which has a passageway curing said flanges together, the said support 34 extending downwardly therefrom. Washers and cover forming a closed compartment for said 36 are provided on the shaft 8 to hold it against horizontal shaft, interrengaging members and axial movement downwardly and a gear 38 on the bearings. 5

lower end abuts the bearing 6 to prevent upward JULIAN L. PERKINS. 

